<template>
  <div class="app-container">讲师列表
      <!--查询表单-->
    <el-form :inline="true" class="demo-form-inline">
      <el-form-item>
        <el-input v-model="teacherQuery.name" placeholder="讲师名"/>
      </el-form-item>

      <el-form-item>
        <el-select v-model="teacherQuery.level" clearable placeholder="讲师头衔">
          <el-option :value="1" label="高级讲师"/>
          <el-option :value="2" label="首席讲师"/>
        </el-select>
      </el-form-item>

      <el-form-item label="添加时间">
        <el-date-picker
          v-model="teacherQuery.begin"
          type="datetime"
          placeholder="选择开始时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>
      <el-form-item>
        <el-date-picker
          v-model="teacherQuery.end"
          type="datetime"
          placeholder="选择截止时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>

      <el-button type="primary" icon="el-icon-search" @click="getList()">查询</el-button>
      <el-button type="default" @click="resetData()">清空</el-button>
    </el-form>

    <!-- 表格 -->
    <el-table
      :data="list"
      border
      fit
      highlight-current-row>

      <el-table-column
        label="序号"
        width="70"
        align="center">
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>

      <el-table-column prop="name" label="名称" width="80" />

      <el-table-column label="头衔" width="80">
        <template slot-scope="scope">
          {{ scope.row.level===1?'高级讲师':'首席讲师' }}
        </template>
      </el-table-column>

      <el-table-column prop="intro" label="资历" />

      <el-table-column prop="gmtCreate" label="添加时间" width="160"/>

      <el-table-column prop="sort" label="排序" width="60" />

      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <router-link :to="'/teacher/edit/'+scope.row.id">
            <el-button type="primary" size="mini" icon="el-icon-edit">修改</el-button>
          </router-link>
          <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeDataById(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

  <!-- 分页 -->
    <el-pagination
      :current-page="page"
      :page-size="limit"
      :total="total"
      style="padding: 30px 0; text-align: center;"
      layout="total, prev,pager,next,jumper"
      @current-change="getList"
    />
    <!-- @current-change="getList"  绑定一个事件，getList返回的数据 -->

  </div>
</template>

<script>
//使用@不使用.
import teacher from '@/api/edu/teacher'
export default {
  
  name:'List',
  data(){

    return{
         list:null,//查询接口返回集合
         page:1,//当前页
         limit:10,//每页记录数
         teacherQuery:{}, //条件封装对象
         total:0  //总记录数

    }
  },
  //页面渲染之前执行
  created(){
        this.getList()
  },
  methods:{
    //分页换页，封装了页数，传数据
    getList(page=1){
      this.page=page
      teacher.pageTeacherCondition(this.page,this.limit,this.teacherQuery)
      .then(response=>{
         //response:接口返回的数据
         console.log("请求成功")
        //  console.log(response)
        this.list=response.data.rows
        this.total=response.data.total
      })  //请求成功
      .catch(error=>{
       console.log(error)
      })  //请求失败
    },
    //清空 resetData
    resetData(){
      //清空表单数据,双向绑定
      this.teacherQuery={}
      
      //查询所有讲师
      this.getList()
    },
    //删除讲师
    removeDataById(id){
      //用户提示

      this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          //确认删除
          teacher.removeTeacherById(id).then(
          //删除成功
          ()=>{
            //回到列表
            this.getList()
          }
        )
          this.$message({
            type: 'success',
            message: '删除成功!'
          })
          //回到列表
          
        })
        // teacher.removeTeacherById(id).then(
        //   //删除成功
        //   ()=>{
        //     //回到列表
        //     this.getList()
        //   }
        // )
      
    }

  }


}
</script>
